Default Behavior

The Windows Firewall service runs as NT Authority\LocalService in a shared process of svchost.exe. Other services might run in the same process. If Windows Firewall fails to start, the error is logged. Windows 8 startup proceeds, but a message box is displayed informing you that the MpsSvc service has failed to start.

Dependencies

Windows Firewall won't start, if the following services are stopped or disabled: